==== Secunia Research 17/11/2009 - Gimp PSD Image Parsing Integer Overflow Vulnerability - ==== Table of Contents Affected Software....................................................1 Severity.............................................................2 Vendor's Description of Software.....................................3 Description of Vulnerability.........................................4 Solution.............................................................5 Time Table...........................................................6 Credits..............................................................7 References...........................................................8 About Secunia........................................................9 Verification........................................................10 ==== 1) Affected Software * Gimp 2.6.7 NOTE: Other versions may also be affected. ==== 2) Severity Rating: Moderately Critical Impact: System Access Where: Remote ==== 3) Vendor's Description of Software "GIMP is the GNU Image Manipulation Program. It is a freely distributed piece of software for such tasks as photo retouching, image composition and image authoring. It works on many operating systems, in many languages.". Product Link: http://www.gimp.org/ ==== 4) Description of Vulnerability Secunia Research has discovered a vulnerability in Gimp, which can be exploited by malicious people to potentially compromise a user's system. The vulnerability is caused by an integer overflow error within the "read_channel_data()" function in plug-ins/file-psd/psd-load.c. This can be exploited to cause a heap-based buffer overflow by e.g. tricking a user into opening a specially crafted PSD file. ==== 5) Solution Fixed in the GIT repository. ==== 6) Time Table 04/11/2009 - Vendor notified. 12/11/2009 - Second attempt to contact vendor. Also notified vendor-sec mailing list. 13/11/2009 - Vendor response. 17/11/2009 - Public disclosure. ====================================================================== 7) Credits Discovered by Stefan Cornelius, Secunia Research. ====================================================================== 8) References The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2009-3909 for the vulnerability. ====================================================================== 9) About Secunia Secunia offers vulnerability management solutions to corporate customers with verified and reliable vulnerability intelligence relevant to their specific system configuration: http://secunia.com/advisories/business_solutions/ Secunia also provides a publicly accessible and comprehensive advisory database as a service to the security community and private individuals, who are interested in or concerned about IT-security. http://secunia.com/advisories/ Secunia believes that it is important to support the community and to do active vulnerability research in order to aid improving the security and reliability of software in general: http://secunia.com/secunia_research/ Secunia regularly hires new skilled team members. Check the URL below to see currently vacant positions: http://secunia.com/corporate/jobs/ Secunia offers a FREE mailing list called Secunia Security Advisories: http://secunia.com/advisories/mailing_lists/ ====================================================================== 10) Verification Please verify this advisory by visiting the Secunia website: http://secunia.com/secunia_research/2009-43/ Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/ ======================================================================